Aux (Axillary)
4 Pin Aux connectors are used by some video cards to provide additional power to them via the power supply.
provide more power for the CPU
Auxiliary sound refers to auxiliary interface connector where one can connect external sound devices.
The purpose of a 4-pin auxiliary connector on a motherboard is to provide an additional 12V power supply to the processor.
To provide power to a circuit board or fan
The P1 power connector is the first ATX power supplies and motherboards used a single power connector. It also has 20 pins.
A PCI Express, Version 1 high-end video card using PCIe x16 slots.
P1 connector
Is to supply additional power for PCIe video cards Original answer SATA data cables. To provide additional wattage for PCIe video cards
A Berg connector is used for providing power to floppy drives and sometimes other peripherals.
A P1 connector is a power connector found on ATX power supplies. It is used to provide main power to the motherboard, and to control ACPI functionality (tell the power suppy to turn off and back on).
The atx 12 connector is one of the motherboard power connectors and used for 12 volt power connect for cpu voltage regulator.